1. Ionic Liquid-based Temperature Sensor Using Metamaterials for Terahertz Applications

Naoki Inomata, Momoko Kobayashi, Taiyu Okatani, Yoshiaki Kanamori

IEEJ Transactions on Sensors and Micromachines 146(1), 2–7 (2026)

2. Slip-and-Fall Avoidance Control for Monopod-Hopping Robot Using MEMS Local Slip Sensor

Taiyu Okatani, Isao Shimoyama

IEEE Sensors Journal 25(24), 44875–44882 (2025)

3. Bioaffinity sensors for miRNA detection using polarization-independent metamaterials

Taiyu Okatani, Takuya Nakazawa, Shin-ichiro M. Nomura, Yoshiaki Kanamori

Optics Express 33(15), 31832–31846 (2025)

4. Fabrication and application of 3D terahertz metamaterials with vertical multinanogaps for spectroscopic sensing

Naoki Inomata, Tomotsugu Takahashi, Yuki Sakai, Taiyu Okatani, Yoshiaki Kanamori

Scientific Reports 15, 13636 (2025)

5. Terahertz metamaterial composed of subwavelength metal layer - porous insulator - metal layer for humidity sensing

Yuki Sakai, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

IEEJ Transactions on Sensors and Micromachines 145(1), 9–10 (2025)

6. Fabrication of silicon microparticle dispersion as terahertz wave refractive index control material

Shun Wakiuchi, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Optics & Laser Technology 181(Part C), 112051 (2024)

7. Investigation on liquid medium integration for piezoelectric MEMS tunable liquid lenses

Zhengnan Tang, Andrea Vergara, Taiyu Okatani, Yukio Suzuki, Shuji Tanaka

Sensors and Actuators A: Physical 377(16), 115732 (2024)

8. 3D bulk metamaterials with engineered optical dispersion at terahertz frequencies utilizing amorphous multilayered split-ring resonators

Ying Huang, Takanori Kida, Shun Wakiuchi, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Advanced Science 11(34), 2405378 (2024)

9. Wavelength calibration using MEMS-enabled double filter configuration for air gap sensing in the tunable Fabry–Pérot filter

Pratyasha Sahani, Shiori Nabana, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

AIP Advances 14(7), 075006 (2024)

10. Feasibility test on the analog configuration of electromechanical dimple-tip cantilever for the application of THz metamaterials

Ying Huang, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Optical Review 31(3), 351–358 (2024)

11. Pixelated gradient thickness optical filter for visible light spectroscopy

Pratyasha Sahani, Shiori Nabana, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori 

Applied Optics 63(13), 3537–3546 (2024)

12. Phase-controllable spoof surface plasmon coupling from bull's eye aperture to planar silicon waveguide in the terahertz band

Taiyu Okatani, Kaoru Imai, Yuma Takida, Seigo Ohno, Hiroaki Minamide, Yoshiaki Kanamori

IEEE Transactions on Terahertz Science and Technology 14(4), 519–530 (2024)

13. Terahertz stretchable metamaterials with deformable dolmen resonators for uniaxial strain measurement

Taiyu Okatani, Munkh-Orgil Dashdeleg, Naoki Inomata, Yoshiaki Kanamori

Optics Express 32(7), 12024–12039 (2024)

14. Fabrication and characterization of delay lines with spoof surface plasmon polariton waveguide coupled with C-shaped metamaterials for microwave integrated circuits

Minh Van Nguyen, Nobuaki Kikuchi, Toshiyuki Kodama, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori 

Japanese Journal of Applied Physics 63(3), 03SP72 (2024)

15. Tunable Fabry–Perot interferometer operated in the terahertz range based on an effective refractive index control using pitch-variable subwavelength gratings

Ying Huang, Yangxun Liu, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Optics Letters 49(4), 951–954 (2024)

16. Fabrication of functional metamaterials for applications in heat-shielding windows and 6G communications

Minh Van Nguyen, Taiyu Okatani, Yoshiaki Kanamori

Applied Optics 62(28), 7411–7419 (2023)

17. Reconfigurable THz metamaterial based on microelectromechanical cantilever switches with a dimpled tip

Ying Huang, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Optics Express 31(18), 29744–29754 (2023)

18. Micro-fabricated Si subwavelength grating for frequency-domain THz beam steering covering the 0.3–0.5 THz frequency band

Kohei Chiba, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Optics Express 31(17), 27147–27160 (2023)

19. Fabrication of optical fiber bundles with wire-grid polarizers and its application to tooth substance discrimination (in Japanese)

Taiyu Okatani, Yuki Yokoyama, Shunichi Shishido, Keisuke Nakamura, Yoshiaki Kanamori

IEEJ Transactions on Sensors and Micromachines 143(7), 192–199 (2023)

20. Fabrication of high-aspect-ratio SiO2 nanopillars by Si thermal oxidation for metalenses in the visible region

Taiyu Okatani, Yuya Naito, Yoshiaki Kanamori

Japanese Journal of Applied Physics 62(SG), SG1034 (2023) 

21. A reconfigurable ladder-shaped THz metamaterial integrated with a microelectromechanical cantilever array

Ying Huang, Taiyu Okatani, Naoki Inomata, Yoshiaki Kanamori

Applied Physics Letters 122(5), 051705 (2023)

22. Broadband stop filters for THz waves using H-shaped metamaterials with dual electronic-plasmonic functionality

Ying Huang, Taiyu Okatani, Yoshiaki Kanamori

Japanese Journal of Applied Physics 61(SD), SD1007 (2022)

23. Terahertz 3D bulk metamaterials with randomly dispersed split-ring resonators

Taiyu Okatani, Yuto Sunada, Kazuhiro Hane, Yoshiaki Kanamori

Nanophotonics 11(9), 2065–2074 (2022)

24. Estimation of coefficient of static friction with one-axis force sensor by observing peripheral local slips on elastic hemisphere

Yusaku Tagawa, Taiyu Okatani, Hiroshi Onodera

SICE Journal of Control, Measurement, and System Integration 14(1), 206–212 (2021)

25. Improvement of silicon microdisk resonators with movable waveguides by hydrogen annealing treatment

Taiyu Okatani, Yuichi Sato, Kaoru Imai, Kazuhiro Hane, Yoshiaki Kanamori

Journal of Vacuum Science and Technology B: Nanotechnology and Microelectronics 39(3), 030602 (2021)

26. Fabrication of silicon nanospheres placeable on a desired position for dielectric metamaterials in the visible region

Taiyu Okatani, Yosuke Abe, Takuya Nakazawa, Kazuhiro Hane, Yoshiaki Kanamori

Optical Materials Express 11(1), 189–197 (2020)

27. A tactile sensor for simultaneous measurements of 6-axis force/torque and the coefficient of static friction

Taiyu Okatani, Isao Shimoyama

Sensors and Actuators A: Physical 315, 112362 (2020) 

28. Surface-plasmon-coupled optical force sensors based on metal–insulator–metal metamaterials with movable air gap

Taiyu Okatani, Shota Sekiguchi, Kazuhiro Hane, Yoshiaki Kanamori

Scientific Reports 10, 14807 (2020)

29. A tactile sensor using piezoresistive beams for detection of the coefficient of static friction

Taiyu Okatani, Hidetoshi Takahashi, Kentaro Noda, Tomoyuki Takahata, Kiyoshi Matsumoto, Isao Shimoyama

Sensors 16(5), 718 (2016)